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cx18-scb.c
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1 /*
2  * cx18 System Control Block initialization
3  *
4  * Copyright (C) 2007 Hans Verkuil <[email protected]>
5  * Copyright (C) 2008 Andy Walls <[email protected]>
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation; either version 2 of the License, or
10  * (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
20  * 02111-1307 USA
21  */
22 
23 #include "cx18-driver.h"
24 #include "cx18-io.h"
25 #include "cx18-scb.h"
26 
27 void cx18_init_scb(struct cx18 *cx)
28 {
29  cx18_setup_page(cx, SCB_OFFSET);
30  cx18_memset_io(cx, cx->scb, 0, 0x10000);
31 
32  cx18_writel(cx, IRQ_APU_TO_CPU, &cx->scb->apu2cpu_irq);
33  cx18_writel(cx, IRQ_CPU_TO_APU_ACK, &cx->scb->cpu2apu_irq_ack);
34  cx18_writel(cx, IRQ_HPU_TO_CPU, &cx->scb->hpu2cpu_irq);
35  cx18_writel(cx, IRQ_CPU_TO_HPU_ACK, &cx->scb->cpu2hpu_irq_ack);
36  cx18_writel(cx, IRQ_PPU_TO_CPU, &cx->scb->ppu2cpu_irq);
37  cx18_writel(cx, IRQ_CPU_TO_PPU_ACK, &cx->scb->cpu2ppu_irq_ack);
38  cx18_writel(cx, IRQ_EPU_TO_CPU, &cx->scb->epu2cpu_irq);
39  cx18_writel(cx, IRQ_CPU_TO_EPU_ACK, &cx->scb->cpu2epu_irq_ack);
40 
41  cx18_writel(cx, IRQ_CPU_TO_APU, &cx->scb->cpu2apu_irq);
42  cx18_writel(cx, IRQ_APU_TO_CPU_ACK, &cx->scb->apu2cpu_irq_ack);
43  cx18_writel(cx, IRQ_HPU_TO_APU, &cx->scb->hpu2apu_irq);
44  cx18_writel(cx, IRQ_APU_TO_HPU_ACK, &cx->scb->apu2hpu_irq_ack);
45  cx18_writel(cx, IRQ_PPU_TO_APU, &cx->scb->ppu2apu_irq);
46  cx18_writel(cx, IRQ_APU_TO_PPU_ACK, &cx->scb->apu2ppu_irq_ack);
47  cx18_writel(cx, IRQ_EPU_TO_APU, &cx->scb->epu2apu_irq);
48  cx18_writel(cx, IRQ_APU_TO_EPU_ACK, &cx->scb->apu2epu_irq_ack);
49 
50  cx18_writel(cx, IRQ_CPU_TO_HPU, &cx->scb->cpu2hpu_irq);
51  cx18_writel(cx, IRQ_HPU_TO_CPU_ACK, &cx->scb->hpu2cpu_irq_ack);
52  cx18_writel(cx, IRQ_APU_TO_HPU, &cx->scb->apu2hpu_irq);
53  cx18_writel(cx, IRQ_HPU_TO_APU_ACK, &cx->scb->hpu2apu_irq_ack);
54  cx18_writel(cx, IRQ_PPU_TO_HPU, &cx->scb->ppu2hpu_irq);
55  cx18_writel(cx, IRQ_HPU_TO_PPU_ACK, &cx->scb->hpu2ppu_irq_ack);
56  cx18_writel(cx, IRQ_EPU_TO_HPU, &cx->scb->epu2hpu_irq);
57  cx18_writel(cx, IRQ_HPU_TO_EPU_ACK, &cx->scb->hpu2epu_irq_ack);
58 
59  cx18_writel(cx, IRQ_CPU_TO_PPU, &cx->scb->cpu2ppu_irq);
60  cx18_writel(cx, IRQ_PPU_TO_CPU_ACK, &cx->scb->ppu2cpu_irq_ack);
61  cx18_writel(cx, IRQ_APU_TO_PPU, &cx->scb->apu2ppu_irq);
62  cx18_writel(cx, IRQ_PPU_TO_APU_ACK, &cx->scb->ppu2apu_irq_ack);
63  cx18_writel(cx, IRQ_HPU_TO_PPU, &cx->scb->hpu2ppu_irq);
64  cx18_writel(cx, IRQ_PPU_TO_HPU_ACK, &cx->scb->ppu2hpu_irq_ack);
65  cx18_writel(cx, IRQ_EPU_TO_PPU, &cx->scb->epu2ppu_irq);
66  cx18_writel(cx, IRQ_PPU_TO_EPU_ACK, &cx->scb->ppu2epu_irq_ack);
67 
68  cx18_writel(cx, IRQ_CPU_TO_EPU, &cx->scb->cpu2epu_irq);
69  cx18_writel(cx, IRQ_EPU_TO_CPU_ACK, &cx->scb->epu2cpu_irq_ack);
70  cx18_writel(cx, IRQ_APU_TO_EPU, &cx->scb->apu2epu_irq);
71  cx18_writel(cx, IRQ_EPU_TO_APU_ACK, &cx->scb->epu2apu_irq_ack);
72  cx18_writel(cx, IRQ_HPU_TO_EPU, &cx->scb->hpu2epu_irq);
73  cx18_writel(cx, IRQ_EPU_TO_HPU_ACK, &cx->scb->epu2hpu_irq_ack);
74  cx18_writel(cx, IRQ_PPU_TO_EPU, &cx->scb->ppu2epu_irq);
75  cx18_writel(cx, IRQ_EPU_TO_PPU_ACK, &cx->scb->epu2ppu_irq_ack);
76 
77  cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, apu2cpu_mb),
78  &cx->scb->apu2cpu_mb_offset);
79  cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, hpu2cpu_mb),
80  &cx->scb->hpu2cpu_mb_offset);
81  cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, ppu2cpu_mb),
82  &cx->scb->ppu2cpu_mb_offset);
83  cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, epu2cpu_mb),
84  &cx->scb->epu2cpu_mb_offset);
85  cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, cpu2apu_mb),
86  &cx->scb->cpu2apu_mb_offset);
87  cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, hpu2apu_mb),
88  &cx->scb->hpu2apu_mb_offset);
89  cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, ppu2apu_mb),
90  &cx->scb->ppu2apu_mb_offset);
91  cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, epu2apu_mb),
92  &cx->scb->epu2apu_mb_offset);
93  cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, cpu2hpu_mb),
94  &cx->scb->cpu2hpu_mb_offset);
95  cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, apu2hpu_mb),
96  &cx->scb->apu2hpu_mb_offset);
97  cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, ppu2hpu_mb),
98  &cx->scb->ppu2hpu_mb_offset);
99  cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, epu2hpu_mb),
100  &cx->scb->epu2hpu_mb_offset);
101  cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, cpu2ppu_mb),
102  &cx->scb->cpu2ppu_mb_offset);
103  cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, apu2ppu_mb),
104  &cx->scb->apu2ppu_mb_offset);
105  cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, hpu2ppu_mb),
106  &cx->scb->hpu2ppu_mb_offset);
107  cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, epu2ppu_mb),
108  &cx->scb->epu2ppu_mb_offset);
109  cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, cpu2epu_mb),
110  &cx->scb->cpu2epu_mb_offset);
111  cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, apu2epu_mb),
112  &cx->scb->apu2epu_mb_offset);
113  cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, hpu2epu_mb),
114  &cx->scb->hpu2epu_mb_offset);
115  cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, ppu2epu_mb),
116  &cx->scb->ppu2epu_mb_offset);
117 
118  cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, cpu_state),
119  &cx->scb->ipc_offset);
120 
121  cx18_writel(cx, 1, &cx->scb->epu_state);
122 }
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